ALEXANDRIA, Va., Sept. 30 -- United States Patent no. 12,426,735, issued on Sept. 30.

"Combined carpet" was invented by Xuelei Wang (Tianjin, China).

According to the abstract* released by the U.S. Patent & Trademark Office: "The present disclosure provides a combined carpet. The combined carpet includes an upper carpet body and a lower carpet body. The upper carpet body that includes a first anti-skidding layer. The lower carpet body that is paved between the upper carpet and an object surface, wherein a size of the lower carpet body is less than that of the upper carpet body so as to be completely covered by the upper carpet body, and the lower carpet body includes a first flexible fabric layer. When the upper carpet body is paved above...